<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>网页布局-table</title>
</head>
<body>
<table>
    <tr >
        <td colspan="2" style="background-color: #ff77ff; width: 800px;text-align: left">
            <h3>这是标题</h3>
        </td>
    </tr>
    <tr>
        <td style="background-color: #00af00;width: 100px;height: 600px;text-align: justify;">
            <b>菜单</b><br>
            待办 <br>
            已办 <br>
            新启流程 <br>
        </td>

        <td style="background-color: #9F0053;height: 600px;width: 700px">
            <b>正文</b>
        </td>
    </tr>
    <tr >
        <td colspan="2" style="background-color: #0000af; width: 800px; height: 50px;text-align: center">
            youjiahe @ enersun.com
        </td>
    </tr>
</table>
</body>
</html>